California Lawsuit , Seeks $10 Million Over , Aldi's 'Naturally Flavored' Cereal Bars. 'Newsweek' reports that Aldi is facing a class action lawsuit alleging that the supermarket chain falsely claims its fruit and grain bars contain all-natural ingredients. The specific product in question is the retailer's Millville Fruit & Grain cereal bars. . The California filing points out that the product's packaging includes the claims "no artificial flavor" and "naturally flavored." . The California filing points out that the product's packaging includes the claims "no artificial flavor" and "naturally flavored." . However, the filing also states that laboratory testing found that the bars contained DL malic acid, a synthetic flavoring. . 'Newsweek' reports that an ingredients list for the bars found on Amazon also shows that they contain malic acid, which can be derived from both natural and synthetic processes. 'Newsweek' reports that an ingredients list for the bars found on Amazon also shows that they contain malic acid, which can be derived from both natural and synthetic processes. The court documents argue that naturally occurring malic acid , "is extremely expensive to formulate in large quantities and is almost never used in mass-produced food products.". The court documents argue that naturally occurring malic acid , "is extremely expensive to formulate in large quantities and is almost never used in mass-produced food products.". The lawsuit points out that synthetic malic acid , "is manufactured in petrochemical plants from benzene or butane — components of gasoline and lighter fluid.". The lawsuit points out that synthetic malic acid , "is manufactured in petrochemical plants from benzene or butane — components of gasoline and lighter fluid.". 'Newsweek' reports that the Environmental Protection Agency (EPA) has deemed the process of "catalytic oxidation of benzene" to be of "low concern.". 'Newsweek' reports that the Environmental Protection Agency (EPA) has deemed the process of "catalytic oxidation of benzene" to be of "low concern.". According to the lawsuit, the plaintiff is demanding $9,999,000 in damages for customers who purchased the product in the past four years. According to the lawsuit, the plaintiff is demanding $9,999,000 in damages for customers who purchased the product in the past four years. 'Newsweek' reports that the lawsuit also alleges that Aldi violated several California codes and used the false packaging for the "unjust enrichment" of the company. 'Newsweek' reports that the lawsuit also alleges that Aldi violated several California codes and used the false packaging for the "unjust enrichment" of the company